diff --git a/lib/runtime/src/macros.rs b/lib/runtime/src/macros.rs
index 98649172c..ccd83b313 100644
--- a/lib/runtime/src/macros.rs
+++ b/lib/runtime/src/macros.rs
@@ -20,4 +20,7 @@ macro_rules! export_func {
             },
         }
     }};
+    ($func:ident, [ $( $params:ident ),* ]) => {{
+        export_func($func, [$($params,)*] -> [])
+    }};
 }
diff --git a/src/bin/wasmer.rs b/src/bin/wasmer.rs
index 8e29fb75d..30af597c7 100644
--- a/src/bin/wasmer.rs
+++ b/src/bin/wasmer.rs
@@ -76,7 +76,10 @@ fn execute_wasm(options: &Run) -> Result<(), String> {
             wasmer_emscripten::generate_emscripten_env(&emscripten_globals),
         )
     } else {
-        (InstanceABI::None, wasmer_runtime::import::ImportObject::new())
+        (
+            InstanceABI::None,
+            wasmer_runtime::import::ImportObject::new(),
+        )
     };
 
     let mut instance = module